58 HOCETOPHILIDjfi. 



tennce slender, fifteen- jointed. Thorax nearly elliptical. Wings pubes- 

 cent, moderately broad ; radial vein ending at one-third of the length 

 of the wing, connected near its tip with the cubital by an oblique 

 transverse veinlet ; cubital simple, ending at a little beyond three-fourths 

 of the length ; subapical forked at some distance beyond the tip of the 

 radial ; subanal simple ; anal distinct, curved towards the hind border. 

 Abdomen oblanceolate. Halteres rather long. Legs slender, rather 

 long, without spines or spurs. Male. Antenna moniliform, verticillate- 

 pilose, moderately long, sixteen-jointed. Fern. Antennae submouiliform, 

 pilose, rather short, eleven-jointed. Abdomen longer than that of the 

 male. 



This genus connects the Mycetophitida with the following 

 family, with which latter it agrees in the structure of its antennae, 

 and of its legs, but resembles Sciara in the veins of the wings. 



1. leucophsea, Meig. Zw. i. 288. 81 (1818); Mcq. ; Zett. juni- 

 perinus ? F. Capite antennisque nigris, al{s limpidis, venis pallidis, 

 halteribus pedibusque testaceis; Mas, fusca; foem. testacea, tJioracis 

 disco cinereo-fusco. Long. 1-li ; alar. 2-3 lin. 



Head and antenna? black. Wings limpid ; veins pale. Halteres and 

 legs testaceous. Male. Body brown. Fern. Body testaceous; disc of 

 the thorax greyish-brown. 



Not rare. (E. S. I.) Mr. Haliday has observed that it appears 

 earlier in the year than the following species, and occurs chiefly 

 in groves of larches. 



2. cinerea, Mcq. H. N. D. i. (1830); Zett. Nigro-cinerea, an- 

 tennis nigris, alls cinereis, femoribus tibiisque obscure testaceis, tarsis 

 nigris. Long. 1^ ; alar. 3^ lin. 



Blackish-grey. Anteuna3 black. Wings grey. Femora and tibia3 

 dingy testaceous ; tarsi black. 



" Not very rare. Near Cork in September and October. On 

 grass both in open places and on the borders of groves." Hal, 

 MSS. 



Genus XVI. CECIDOGONA. 



Lestremia (Subgen. Cecidogona), Loew, Ent. Zeit. Stett. v. 324 

 (1844). 



Corpus gracile. Oculi emarginati. Ocelli mdli. Palpi breves. An- 

 tennae graciles, \\-articulatfB. Thorax subellipticus. Alee pubes- 

 centes ; vena radialis brevis ; cubitalis et subanalis siinplices ; subapi- 

 calis furcata. Abdomen oblanceolatum. Pedes graciles, longiusculi, 

 spinis calcaribusque nullis ; metatarsi elongati. Mas. Antenua3 

 moniliformes, verticillato-pilosa?. Fcern. Antenna} submoniliformes, 

 pilosa3, breves. 



